/*
	Copyright 2010, Manuele Turini
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice, this
	list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright notice,
	this list of conditions and the following disclaimer in the documentation
	and/or other materials provided with the distribution.

	3. Neither name of the copyright holders nor the names of its contributors may
	be used to endorse or promote products derived from this software without
	specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
	AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
	FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef QDISPLAY_H
#define QDISPLAY_H

#include <QWidget>
#include <QHBoxLayout>
#include <QPixmap>
#include <QLabel>

class QDisplay : public QWidget
{
	Q_OBJECT
	Q_PROPERTY(QString Format READ displayFormat WRITE setDisplayFormat)
	Q_PROPERTY(DisplaySize Size READ displaySize WRITE setDisplaySize)
	Q_PROPERTY(DisplayType Style READ displayType WRITE setDisplayType)
	Q_ENUMS(DisplayType)
	Q_ENUMS(DisplaySize)

public:
	enum { MAX_NUMBER_OF_DIGITS = 32 };
	enum DisplayType { Red_7_Segment, Nixie, Green_7_Segment };
	enum DisplaySize { Small, Medium, Large, Huge };

	QDisplay(QWidget * parent = 0, Qt::WindowFlags fl = 0);
	QDisplay(const QString & format, DisplaySize siz = Small, QWidget * parent = 0, Qt::WindowFlags fl = 0);
	~QDisplay();

	// Properties
	void		setDisplayFormat(const QString & fmt);
	QString 	displayFormat() const { return currentFormat; }
	void		setDisplaySize(DisplaySize dsiz);
	DisplaySize	displaySize() const { return siz; }
	void		setDisplayType(DisplayType t);
	DisplayType	displayType() const { return type; }
        void		display(double num);
        double		display(void); // retrives current value

        static QIcon icon();

public slots:
        void		display(const QString& dsp);


private:
	void			initAll(DisplaySize s);

	QHBoxLayout * QDisplayLayout;
	QPixmap		digits[10];
	QPixmap		blank;
	QPixmap		minus;
	QPixmap		point;

	QLabel		* Display[MAX_NUMBER_OF_DIGITS];

	DisplayType	type;
	DisplaySize	siz;        
	char		pathType[3];
	QString		currentFormat;
	QString		printfFmt;
        double          m_currentValue; // added for tracking of contents
};

#endif // QDISPLAY_H
